feat: `NonlinearSolveBase` + `BracketingNonlinearSolve` + `SimpleNonlinearSolve` #68

Job	Run time
test (min, ubuntu-latest, core)	14m 16s
test (min, ubuntu-latest, adjoint)	10m 15s
test (min, ubuntu-latest, alloc_check)	9m 20s
test (min, macos-latest, core)	10m 6s
test (min, macos-latest, adjoint)	8m 10s
test (min, macos-latest, alloc_check)	7m 4s
test (min, windows-latest, core)	16m 19s
test (min, windows-latest, adjoint)	12m 19s
test (min, windows-latest, alloc_check)	10m 34s
test (1, ubuntu-latest, core)	20m 46s
test (1, ubuntu-latest, adjoint)	12m 45s
test (1, ubuntu-latest, alloc_check)	12m 33s
test (1, macos-latest, core)	12m 43s
test (1, macos-latest, adjoint)	9m 19s
test (1, macos-latest, alloc_check)	11m 27s
test (1, windows-latest, core)	21m 50s
test (1, windows-latest, adjoint)	14m 6s
test (1, windows-latest, alloc_check)	14m 11s
	3h 48m 3s

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